func TestPixelTasks(t *testing.T) { pi := pngimage.NewPngimage(16, 9, "image.png") d := mandel.NewData(1024, 800, -0.7435669, 0.1314023, 0.0022878) it := task.IterateTasks(d, pi) if len(it) != 16*9 { t.Errorf("len(%v) = %v, want %v", it, len(it), 16*9) } }
func main() { var maxIter = 10 * 360 var d = mandel.NewData(640, 400, -0.7435669, 0.1314023, 0.0022878) for colScale := 30; colScale < 120; colScale += 30 { n := fmt.Sprintf("mandel-hue-%04d.png", colScale) fmt.Println("Render:", n) pi := pngimage.NewPngimage(d.MaxX, d.MaxY, n) it := task.IterateTasks(d, pi) for t := range it { iter := mandel.Iterate(t.CRe, t.CIm, maxIter) pi.Img.Set(t.X, d.MaxY-t.Y, getColor(iter, colScale)) } pi.Save() } }